Update Methode void BuildGui and class NewGameListener

src/main/java/BattleShip/BShip.java

@@ -97,6 +97,33 @@ public class BShip {
             grid1 = null;
             grid2 = null;
             shipsPlaced = false;
+
+            //Set new game grid size to selected dimensions.
+
+            if(a.getSource() == boardSize[0]) {
+                rows = 8;
+                columns = 8;
+            }
+
+            if(a.getSource() == boardSize[1]) {
+                rows = 10;
+                columns = 10;
+            }
+
+            if(a.getSource() == boardSize[2]) {
+                rows = 12;
+                columns = 12;
+            }
+
+            //Determine whether auto placement selected.
+
+            if(a.getSource() == auto) {
+                autoPlacement = true;
+            } else {
+                autoPlacement = false;
+            }
+
+            startGame();
         }
     }